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  <title>Authenticate as &quot;none&quot;</title>
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 <body class="docs"><div id="layout">
  <div id="layout-content"><div id="function.ssh2-auth-none" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">ssh2_auth_none</h1>
  <p class="verinfo">(PECL ssh2 &gt;= 0.9.0)</p><p class="refpurpose"><span class="refname">ssh2_auth_none</span> &mdash; <span class="dc-title">Authenticate as &quot;none&quot;</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.ssh2-auth-none-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>ssh2_auth_none</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$session</code></span>
   , <span class="methodparam"><span class="type">string</span> <code class="parameter">$username</code></span>
   ) : <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span></div>

  <p class="para rdfs-comment">
   Attempt &quot;none&quot; authentication which usually will (and should) fail.
   As part of the failure, this function will return an array of accepted
   authentication methods. 
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.ssh2-auth-none-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<code class="parameter">session</code></dt>

     <dd>

      <p class="para">
       An SSH connection link identifier, obtained from a call to
       <span class="function"><a href="ssh2_connect.html" class="function">ssh2_connect()</a></span>.
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">username</code></dt>

     <dd>

      <p class="para">
       Remote user name.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.ssh2-auth-none-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns <strong><code>TRUE</code></strong> if the server does accept &quot;none&quot; as an authentication
   method, or an array of accepted authentication methods on failure.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.ssh2-auth-none-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-5612">
    <p><strong>Example #1 Retrieving a list of authentication methods</strong></p>
    <div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$connection&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">ssh2_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'shell.example.com'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">22</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$auth_methods&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">ssh2_auth_none</span><span style="color: #007700">(</span><span style="color: #0000BB">$connection</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'user'</span><span style="color: #007700">);<br /><br />if&nbsp;(</span><span style="color: #0000BB">in_array</span><span style="color: #007700">(</span><span style="color: #DD0000">'password'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$auth_methods</span><span style="color: #007700">))&nbsp;{<br />&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">"Server&nbsp;supports&nbsp;password&nbsp;based&nbsp;authentication\n"</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
    </div>

   </div>
  </p>
 </div>


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